Barriers

Menu: Noise > Barriers

or

Object menu (NCO): Select a barrier (defined in Novapoint Noise)

For general information about barriers in Novapoint Noise, see Noise Barriers. The menu Barriers has the following sub menu items:

Menu items that apply to barriers in general

• Dialog box…
• New…
• Style…

Menu items that apply to a selection of barriers
These menu items require an object selection. One may do this before calling the function or after. From a given selection, the functions will only affect objects recognized as barriers. Any other object(s) will not be affected.

• Edit…
• Edit Heights…
• Absorption…
• Delete
• Active
• Passive
• Reflection on
• Reflection off

Example 1:

Click a barrier, so it becomes highlighted (with blue squares in the break points).
Menu: Noise > Barriers > Reflection on
The highlighted barrier is set to be reflecting.

Example 2:

Menu: Noise > Barriers > Edit Heights…
Select objects: appears on the command line.
all, <Enter>, <Enter>
selects all objects in the drawing. Now the dialog for editing barrier heights appears for the first barrier. Perform the desired changes. As you click Ok or Cancel, the dialog closes, and reappears for the next barrier in the selection.